Chinese never smokers with adenocarcinoma of the lung are younger and have fewer lymph node metastases than smokers

Longyu Shan, Liang Zhang, Xiaolei Zhu, Zhilin Wang, Shaohan Fang, Junfeng Lin, Jianweng Wang, Ning Li, Hongming Liu, Xiaowen Zhang, Yihui Feng, Jingwei Liu, Jianyun Pan, Guanzhi Ye, Xiuyi Yu, Amanda Tufman, Alexander Katalinic, Torsten Goldmann, Frank Petersen, Jie JiangGuojun Geng, Xinhua Yu